Dues for 2014 SX300 Group membership are $40.00 and due in the month of January. Please make check payable to "The SX300 Group".

New Members Registration

If you are a dues paying member for 2014, click here to register for an account. The administrator will approve you based on your payment status.

For instructions on how to register, please click here.

What's Going On
  • SXs Top of Show at KOSH

    imageSX300 Group the SX group had a strong showing at Oshkosh this year. John Wilson won the Poberezny award, Steve Carter won a Bronze Lindy. Harry Hinkley ran faster than any other normally aspirated single in the field for the AirVenture Cup.


  • New Hartzell Prop

    imageFor more information on the availability of an improved Scimitar style prop from Hartzell, please contact the SX Group DIRECTLY not Hartzell . Read More

  • 2014 Fall Fly-In

    imageWe are working on planning the 2014 Fall Trip. Stay tuned for further announcements on when and where the fly-in will be. Hope to see you there.

  • Grand Champ: N42SX

    imageCongratulations to John Wilson for winning Grand Champion at Sun n Fun 2014 with his SX300, N42SX. All the hard work paid off!

Welcome - PDF Print E-mail

The SX300 was originally designed by Ed Swearingen in San Antonio, TX. The aircraft was marketed as a kit from 1984 to 1989. By the end of 1989 approximately 80 kits had been sold, although there were only 48 sets of landing gear, which were built by the landing gear vendor, Airight Inc. in Wichita, KS.


The inventory of SX300 parts were bought by Bill Johns and now reside with Doug Poli at his facility in Ft. Worth, TX. Questions about parts availability should be directed to either Bill Johns or Doug Poli.

The SX300 Group was formed to share ideas, help each other in the building process, create standardized operational procedures, promote safety and hopefully preserve this excellent aircraft.


Learn More

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